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Finding the Fourth Proportional to 95.26, 131.46 and 56.44

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Solution

The fourth proportional to 95.26, 131.46 and 56.44 is: 77.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.26 : 131.46 = 56.44 : x
  2. Step 2: Convert to fraction form
    95.26/131.46 = 56.44/x
  3. Step 3: Cross multiply
    95.26x = 131.46 × 56.44
  4. Step 4: Simplify right side
    95.26x = 7,419.60
  5. Step 5: Solve for x
    x = 7,419.60/95.26
  6. Step 6: Final answer
    x = 77.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.